Pennsylvania&apos;s voter identification law, one of the nation&apos;s strictest, was upheld this week by a state court, triggering predictable exchanges between Republicans who say such measures are needed to prevent fraud and Democrats who claim they suppress the votes of minorities and the poor. Rob Gleason, the chairman of the Pennsylvania Republican Party, praised Commonwealth Court Judge Robert Simpson for the &ldquo;courage and conviction of his ruling.&rdquo; Jay Costa, the Democratic minority leader in the state Senate, called the decision &ldquo;disturbing and...